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Table 2 Free fatty acids composition of castor oil [19]
Fatty acid
Structure
Composition (%w/w)
Ricinoleic acid
O
O
H
OH
89.5%
Linoleic acid
O
H
O
4.2%
Oleic acid
O
H
O
3%
Stearic acid
O
H
O
1%
Palmitic acid
O
H
O
1%
Dihydroxystearic acid
O
H
O
OH
OH
0.7%
Linolenic acid
O
H
O
0.3%
Eicosanoic acid
O
H
O
0.3%
Castor Oil-Based Derivatives as a Raw Material for the Chemical Industry